unhappiness

noun

By · According to Wiktionary data (CC BY-SA) ·

"unhappiness" is a 11-letter English headword indexed on PlainSpell.

The verdict

“unhappiness” has 13 generated spelling variants in the English index at frequency #24,043. The variants make it a useful spelling check.

#24,043
frequency rank, English
1,433
“U” headwords
13
tracked misspellings

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - The feeling of not being happy.

Corpus desk

Index EN-unhappiness · unhappiness · English

unhappiness · rank #24,043 · 13 variants · 0 confusables

  • FREQ-MID #24,043
  • LEN-MEGA 11 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-HIGH 13 variants
  • BOOK-MID 1,433
  • PHOTO-FINISH unifying

Nearest frequency peer: unifying (+1 rank slots)

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Rank peers near misspelling magnet “unhappiness”

Same rarity band: useful when a typo lands on a peer headword

corpus weight

What this shows “unhappiness” sits among these FrequencyWords peers; misspelling depth is tracked separately in the edit-distance chart.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for unhappiness
PropertyValue
Headwordunhappiness
LanguageEnglish
Part of speechNoun
Letters11
Frequency rank#24,043
Misspellings tracked13
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency seat of misspelling magnet “unhappiness”

This scale runs from the tiny cluster of words that carry ordinary speech (left) to the long tail of words almost nobody reaches for (right).unhappinesslands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Same rarity band neighbours include “unifying” (#24,044), “unchecked” (#24,041), “unimaginable” (#24,045). Among 1,433 “U” headwords, “unhappiness” is #24,043. Source: FrequencyWords open word-frequency list.

A misspelling magnet

The generator records 13 spelling variants around unhappiness, anoun. Corpus frequency is #24,043 among 1,433 “U” headwords. Dominant gloss: "The feeling of not being happy.".

Our generated misspelling index lists 13 likely wrong-spelling variants for unhappiness, with forms such as "nuhappiness", "uhnappiness", and "unahppiness". Each of these forms differs from the correct spelling by one small edit: a doubled letter, a dropped silent letter, or a substituted vowel. No close-neighbour confusable shows up for this headword in our dataset, a sign it's visually distinctive enough not to be mixed up with another word.

Etymologically, the entry records: From unhappy + -ness or un- + happiness. The correct English form is unhappiness, spelled U-N-H-A-P-P-I-N-E-S-S.

Definition

  1. 1
    The feeling of not being happy.

Recorded use

Wiktionary example

These source excerpts show how unhappiness appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. While there may be some truth in the Anna Karenina principle that all happy families are alike, but every unhappy family is unhappy in its own way, we increasingly have a better understanding of what makes for unhappiness and stress in the workplace.

Etymology

From unhappy + -ness or un- + happiness.

This word in other languages

infelicidad(Español)tristesse(Français)Traurigkeit(Deutsch)infelicidade(Português)

Common misspellings

Also misspelled as:

  • nuhappiness
  • uhnappiness
  • unahppiness
  • unhapiness
  • unhapipness
  • unhappienss
  • unhappines
  • unhappinness
  • unhappinses
  • unhappniess
  • unhhappiness
  • unhpapiness
  • unnhappiness

Misspelling Pattern Breakdown

How far each generated variant is from the correct spelling of unhappiness - expressed in single-character edits (insert, delete, or swap one letter). Bigger bars stand out at a glance; a one-edit slip is the hardest to catch.

nuhappiness2uhnappiness2unahppiness2unhapiness1unhapipness2unhappienss2unhappines1unhappinness1
Edit distance from "unhappiness"

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "unhappiness"?
"unhappiness" is spelled U-N-H-A-P-P-I-N-E-S-S.
What does "unhappiness" mean?
As a noun, "unhappiness" means: The feeling of not being happy.
What are common misspellings of "unhappiness"?
Common misspellings include "nuhappiness", "uhnappiness", "unahppiness", "unhapiness", "unhapipness". The correct spelling is "unhappiness".
What is the origin of the word "unhappiness"?
From unhappy + -ness or un- + happiness. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "unhappiness", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 11 letters (nearest by frequency rank).

collectible#24,118preventable#23,950displeasure#24,143pathologist#23,935

Similar misspelling depth

Headwords with a similar count of attested misspellings (13 here; floor ≥5).

unsecured13 variantsweathered13 variantsthwarted13 variantsshrapnel13 variants

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list